SPEN capacity API

SP Energy Networks

SP Energy Networks's published hosting-capacity data, read from 3 of its publications and served in one schema: each value with its direction, technology, horizon, methodology, freshness and the operator's own licence terms.

This service is independent of SP Energy Networks. Figures are the operator’s, published by the operator; they are indicative and not a connection offer.

Publications

3 registered

Publications of SP Energy Networks
Source	Rights	Health	Cadence	Operator date	Last success	Assets
SP Energy Networks Capacity Heatmap — SPDgb_spen_heatmap_spd	Granted	Healthy	Twice a year	9 Jun 2026	11 h ago	390
SP Energy Networks Capacity Heatmap — SPMgb_spen_heatmap_spm	Granted	Healthy	Twice a year	12 Jun 2026	11 h ago	378
SPEN Network Scenario Headroom Reportgb_spen_nshr	Granted	Disabled	Yearly	—	never	0

Assets

768 in total

The first 20 by name. The API lists them all: /v1/substations?operator=spen.

Query SPEN

Every record from this operator, filterable by direction, technology, availability type, firmness and horizon.

$ curl "https://api.gridcapacityapi.com/v1/capacity/search?operator=spen&limit=20" \  -H "Authorization: Bearer gc_live_..."